./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/termination.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_04.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 26441cee42562e2fd703b97b1a86d2baa847af9810285d31267fccda11d2ea67 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 22:11:17,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 22:11:17,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-20 22:11:17,588 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 22:11:17,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 22:11:17,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 22:11:17,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 22:11:17,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 22:11:17,631 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 22:11:17,632 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 22:11:17,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 22:11:17,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 22:11:17,634 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 22:11:17,635 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-20 22:11:17,635 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-20 22:11:17,635 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-20 22:11:17,635 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-20 22:11:17,636 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-20 22:11:17,636 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-20 22:11:17,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 22:11:17,637 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-20 22:11:17,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 22:11:17,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 22:11:17,641 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-20 22:11:17,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-20 22:11:17,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-20 22:11:17,642 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 22:11:17,642 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 22:11:17,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 22:11:17,643 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-20 22:11:17,643 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 22:11:17,643 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 22:11:17,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 22:11:17,644 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 22:11:17,644 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 22:11:17,645 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-20 22:11:17,646 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26441cee42562e2fd703b97b1a86d2baa847af9810285d31267fccda11d2ea67 [2024-11-20 22:11:17,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 22:11:17,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 22:11:17,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 22:11:17,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 22:11:18,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 22:11:18,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_04.c [2024-11-20 22:11:19,465 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 22:11:19,679 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 22:11:19,680 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/NO_04.c [2024-11-20 22:11:19,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dabdda015/e1b48116ad564cfe8e42b97dbc1e109f/FLAGf1fdb9795 [2024-11-20 22:11:20,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dabdda015/e1b48116ad564cfe8e42b97dbc1e109f [2024-11-20 22:11:20,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 22:11:20,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 22:11:20,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 22:11:20,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 22:11:20,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 22:11:20,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce1d4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20, skipping insertion in model container [2024-11-20 22:11:20,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 22:11:20,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:11:20,256 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 22:11:20,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 22:11:20,291 INFO L204 MainTranslator]: Completed translation [2024-11-20 22:11:20,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20 WrapperNode [2024-11-20 22:11:20,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 22:11:20,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 22:11:20,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 22:11:20,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 22:11:20,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,323 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2024-11-20 22:11:20,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 22:11:20,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 22:11:20,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 22:11:20,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 22:11:20,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,334 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,340 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 22:11:20,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,346 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 22:11:20,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 22:11:20,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 22:11:20,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 22:11:20,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (1/1) ... [2024-11-20 22:11:20,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:20,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:20,384 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:20,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-20 22:11:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 22:11:20,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 22:11:20,494 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 22:11:20,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 22:11:20,587 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-20 22:11:20,587 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 22:11:20,617 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 22:11:20,617 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 22:11:20,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:20 BoogieIcfgContainer [2024-11-20 22:11:20,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 22:11:20,619 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-20 22:11:20,619 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-20 22:11:20,623 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-20 22:11:20,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:20,624 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:11:20" (1/3) ... [2024-11-20 22:11:20,625 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211fdb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:11:20, skipping insertion in model container [2024-11-20 22:11:20,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:20,625 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:20" (2/3) ... [2024-11-20 22:11:20,626 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@211fdb83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:11:20, skipping insertion in model container [2024-11-20 22:11:20,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-20 22:11:20,626 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:20" (3/3) ... [2024-11-20 22:11:20,629 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_04.c [2024-11-20 22:11:20,684 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-20 22:11:20,684 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-20 22:11:20,684 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-20 22:11:20,684 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-20 22:11:20,684 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-20 22:11:20,684 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-20 22:11:20,685 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-20 22:11:20,685 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-20 22:11:20,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:20,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-20 22:11:20,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:20,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:20,706 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:20,706 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:11:20,706 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-20 22:11:20,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:20,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-20 22:11:20,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:20,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:20,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:20,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-11-20 22:11:20,715 INFO L745 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~l~0#1, main_~m~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~l~0#1;havoc main_~m~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0; 6#L15-2true [2024-11-20 22:11:20,715 INFO L747 eck$LassoCheckResult]: Loop: 6#L15-2true assume !!(main_~i~0#1 < 100);main_~a~0#1 := 2 + main_~i~0#1;main_~j~0#1 := 0; 9#L18-2true assume !(main_~j~0#1 < main_~a~0#1); 12#L18-3true main_~i~0#1 := 1 + main_~i~0#1; 6#L15-2true [2024-11-20 22:11:20,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:20,721 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-20 22:11:20,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:20,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642870199] [2024-11-20 22:11:20,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:20,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:20,799 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:20,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:20,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:20,818 INFO L85 PathProgramCache]: Analyzing trace with hash 40983, now seen corresponding path program 1 times [2024-11-20 22:11:20,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:20,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520122649] [2024-11-20 22:11:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:20,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:20,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:20,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:20,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:20,841 INFO L85 PathProgramCache]: Analyzing trace with hash 28699925, now seen corresponding path program 1 times [2024-11-20 22:11:20,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:20,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469893527] [2024-11-20 22:11:20,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:20,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:20,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:11:20,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469893527] [2024-11-20 22:11:20,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469893527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:11:20,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:11:20,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:11:20,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16132332] [2024-11-20 22:11:20,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:11:21,053 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:21,053 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:21,054 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:21,054 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:21,054 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-20 22:11:21,054 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,054 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:21,054 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:21,054 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_04.c_Iteration1_Loop [2024-11-20 22:11:21,054 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:21,054 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:21,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,169 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:21,170 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-20 22:11:21,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,175 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-20 22:11:21,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:21,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,206 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:21,207 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:21,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:21,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,221 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-20 22:11:21,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:21,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,244 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:21,245 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:21,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:21,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,269 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-20 22:11:21,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:21,272 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,285 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:21,285 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:21,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-20 22:11:21,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-20 22:11:21,297 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:21,297 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,309 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-20 22:11:21,309 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~j~0#1=0} Honda state: {ULTIMATE.start_main_~j~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-20 22:11:21,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-20 22:11:21,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,320 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-20 22:11:21,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-20 22:11:21,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-20 22:11:21,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,348 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-20 22:11:21,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-20 22:11:21,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-20 22:11:21,383 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-20 22:11:21,388 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:21,389 INFO L204 LassoAnalysis]: Preferences: [2024-11-20 22:11:21,389 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-20 22:11:21,389 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-20 22:11:21,389 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-20 22:11:21,389 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-20 22:11:21,389 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,389 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-20 22:11:21,389 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-20 22:11:21,390 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_04.c_Iteration1_Loop [2024-11-20 22:11:21,390 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-20 22:11:21,390 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-20 22:11:21,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-20 22:11:21,479 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-20 22:11:21,484 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-20 22:11:21,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-20 22:11:21,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:21,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:21,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:21,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:21,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:21,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:21,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:21,523 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:21,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-20 22:11:21,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,534 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-20 22:11:21,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:21,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:21,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:21,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:21,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:21,557 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-20 22:11:21,558 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-20 22:11:21,565 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-20 22:11:21,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-20 22:11:21,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,577 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-20 22:11:21,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-20 22:11:21,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-20 22:11:21,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-20 22:11:21,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-20 22:11:21,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-20 22:11:21,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-20 22:11:21,597 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-20 22:11:21,597 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-20 22:11:21,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-20 22:11:21,605 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-11-20 22:11:21,606 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-20 22:11:21,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-20 22:11:21,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 22:11:21,612 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-20 22:11:21,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-20 22:11:21,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-20 22:11:21,615 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-20 22:11:21,615 INFO L474 LassoAnalysis]: Proved termination. [2024-11-20 22:11:21,616 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-20 22:11:21,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-11-20 22:11:21,625 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-20 22:11:21,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:21,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-20 22:11:21,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:21,687 WARN L253 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-20 22:11:21,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 22:11:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:21,791 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-20 22:11:21,793 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:21,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-20 22:11:21,939 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 97 transitions. Complement of second has 10 states. [2024-11-20 22:11:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-20 22:11:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 60 transitions. [2024-11-20 22:11:21,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 60 transitions. Stem has 2 letters. Loop has 3 letters. [2024-11-20 22:11:21,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:21,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 60 transitions. Stem has 5 letters. Loop has 3 letters. [2024-11-20 22:11:21,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:21,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 60 transitions. Stem has 2 letters. Loop has 6 letters. [2024-11-20 22:11:21,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-20 22:11:21,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 97 transitions. [2024-11-20 22:11:21,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2024-11-20 22:11:21,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 38 states and 55 transitions. [2024-11-20 22:11:21,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-20 22:11:21,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-20 22:11:21,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 55 transitions. [2024-11-20 22:11:21,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-20 22:11:21,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 55 transitions. [2024-11-20 22:11:21,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 55 transitions. [2024-11-20 22:11:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 25. [2024-11-20 22:11:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 36 transitions. [2024-11-20 22:11:21,983 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 36 transitions. [2024-11-20 22:11:21,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:11:21,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:11:21,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:11:21,987 INFO L87 Difference]: Start difference. First operand 25 states and 36 transitions. Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:11:22,036 INFO L93 Difference]: Finished difference Result 35 states and 50 transitions. [2024-11-20 22:11:22,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 50 transitions. [2024-11-20 22:11:22,037 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2024-11-20 22:11:22,037 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 19 states and 26 transitions. [2024-11-20 22:11:22,038 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-20 22:11:22,038 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-20 22:11:22,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 26 transitions. [2024-11-20 22:11:22,040 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:11:22,040 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2024-11-20 22:11:22,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 26 transitions. [2024-11-20 22:11:22,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 12. [2024-11-20 22:11:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2024-11-20 22:11:22,044 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-20 22:11:22,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:11:22,046 INFO L425 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-11-20 22:11:22,046 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-20 22:11:22,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2024-11-20 22:11:22,047 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2024-11-20 22:11:22,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:22,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:22,047 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:22,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:11:22,048 INFO L745 eck$LassoCheckResult]: Stem: 192#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 193#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~l~0#1, main_~m~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~l~0#1;havoc main_~m~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0; 189#L15-2 [2024-11-20 22:11:22,048 INFO L747 eck$LassoCheckResult]: Loop: 189#L15-2 assume !!(main_~i~0#1 < 100);main_~a~0#1 := 2 + main_~i~0#1;main_~j~0#1 := 0; 186#L18-2 assume !!(main_~j~0#1 < main_~a~0#1);main_~k~0#1 := 3 + (main_~i~0#1 + main_~j~0#1); 187#L20-2 assume !(main_~k~0#1 >= 0); 190#L20-3 main_~j~0#1 := 1 + main_~j~0#1; 191#L18-2 assume !(main_~j~0#1 < main_~a~0#1); 188#L18-3 main_~i~0#1 := 1 + main_~i~0#1; 189#L15-2 [2024-11-20 22:11:22,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2024-11-20 22:11:22,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476951304] [2024-11-20 22:11:22,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,060 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1221756439, now seen corresponding path program 1 times [2024-11-20 22:11:22,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780967237] [2024-11-20 22:11:22,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:22,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:11:22,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780967237] [2024-11-20 22:11:22,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780967237] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:11:22,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:11:22,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 22:11:22,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861160472] [2024-11-20 22:11:22,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:11:22,124 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:11:22,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:11:22,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:11:22,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:11:22,125 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:11:22,161 INFO L93 Difference]: Finished difference Result 17 states and 23 transitions. [2024-11-20 22:11:22,161 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 23 transitions. [2024-11-20 22:11:22,162 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2024-11-20 22:11:22,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 23 transitions. [2024-11-20 22:11:22,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-20 22:11:22,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-20 22:11:22,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2024-11-20 22:11:22,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:11:22,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2024-11-20 22:11:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2024-11-20 22:11:22,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 13. [2024-11-20 22:11:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2024-11-20 22:11:22,166 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-20 22:11:22,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:11:22,167 INFO L425 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2024-11-20 22:11:22,167 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-20 22:11:22,167 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2024-11-20 22:11:22,168 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2024-11-20 22:11:22,168 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:22,168 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:22,168 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:22,169 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:11:22,169 INFO L745 eck$LassoCheckResult]: Stem: 230#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 231#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~l~0#1, main_~m~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~l~0#1;havoc main_~m~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0; 229#L15-2 [2024-11-20 22:11:22,169 INFO L747 eck$LassoCheckResult]: Loop: 229#L15-2 assume !!(main_~i~0#1 < 100);main_~a~0#1 := 2 + main_~i~0#1;main_~j~0#1 := 0; 222#L18-2 assume !!(main_~j~0#1 < main_~a~0#1);main_~k~0#1 := 3 + (main_~i~0#1 + main_~j~0#1); 223#L20-2 assume !!(main_~k~0#1 >= 0);main_~b~0#1 := 4 + (main_~i~0#1 + main_~j~0#1 + main_~k~0#1);main_~l~0#1 := 0; 224#L23-2 assume !(main_~l~0#1 < main_~b~0#1); 225#L23-3 main_~k~0#1 := main_~k~0#1 - 1; 232#L20-2 assume !(main_~k~0#1 >= 0); 226#L20-3 main_~j~0#1 := 1 + main_~j~0#1; 227#L18-2 assume !(main_~j~0#1 < main_~a~0#1); 228#L18-3 main_~i~0#1 := 1 + main_~i~0#1; 229#L15-2 [2024-11-20 22:11:22,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,169 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2024-11-20 22:11:22,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443489685] [2024-11-20 22:11:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1352067341, now seen corresponding path program 1 times [2024-11-20 22:11:22,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654464850] [2024-11-20 22:11:22,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:22,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:22,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:11:22,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654464850] [2024-11-20 22:11:22,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654464850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:11:22,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:11:22,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 22:11:22,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976803465] [2024-11-20 22:11:22,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:11:22,256 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:11:22,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:11:22,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 22:11:22,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 22:11:22,257 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:11:22,297 INFO L93 Difference]: Finished difference Result 14 states and 18 transitions. [2024-11-20 22:11:22,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 18 transitions. [2024-11-20 22:11:22,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-20 22:11:22,299 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 18 transitions. [2024-11-20 22:11:22,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-20 22:11:22,299 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-20 22:11:22,299 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-20 22:11:22,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:11:22,300 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-20 22:11:22,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-20 22:11:22,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-20 22:11:22,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-20 22:11:22,302 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-20 22:11:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 22:11:22,303 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-20 22:11:22,303 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-20 22:11:22,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-20 22:11:22,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2024-11-20 22:11:22,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:22,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:22,304 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-20 22:11:22,304 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 22:11:22,305 INFO L745 eck$LassoCheckResult]: Stem: 266#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 267#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~l~0#1, main_~m~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~l~0#1;havoc main_~m~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0; 264#L15-2 [2024-11-20 22:11:22,305 INFO L747 eck$LassoCheckResult]: Loop: 264#L15-2 assume !!(main_~i~0#1 < 100);main_~a~0#1 := 2 + main_~i~0#1;main_~j~0#1 := 0; 258#L18-2 assume !!(main_~j~0#1 < main_~a~0#1);main_~k~0#1 := 3 + (main_~i~0#1 + main_~j~0#1); 259#L20-2 assume !!(main_~k~0#1 >= 0);main_~b~0#1 := 4 + (main_~i~0#1 + main_~j~0#1 + main_~k~0#1);main_~l~0#1 := 0; 260#L23-2 assume !!(main_~l~0#1 < main_~b~0#1);main_~m~0#1 := 1000 + (main_~i~0#1 + main_~j~0#1 + main_~k~0#1 + main_~l~0#1); 256#L25-2 assume !(main_~m~0#1 >= 0); 257#L25-3 main_~l~0#1 := 1 + main_~l~0#1; 265#L23-2 assume !(main_~l~0#1 < main_~b~0#1); 268#L23-3 main_~k~0#1 := main_~k~0#1 - 1; 269#L20-2 assume !(main_~k~0#1 >= 0); 261#L20-3 main_~j~0#1 := 1 + main_~j~0#1; 262#L18-2 assume !(main_~j~0#1 < main_~a~0#1); 263#L18-3 main_~i~0#1 := 1 + main_~i~0#1; 264#L15-2 [2024-11-20 22:11:22,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,306 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2024-11-20 22:11:22,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346177416] [2024-11-20 22:11:22,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,317 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1603093127, now seen corresponding path program 1 times [2024-11-20 22:11:22,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921372598] [2024-11-20 22:11:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 22:11:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 22:11:22,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 22:11:22,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921372598] [2024-11-20 22:11:22,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921372598] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 22:11:22,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 22:11:22,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 22:11:22,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514481794] [2024-11-20 22:11:22,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 22:11:22,425 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-20 22:11:22,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 22:11:22,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 22:11:22,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 22:11:22,430 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 22:11:22,468 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2024-11-20 22:11:22,469 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2024-11-20 22:11:22,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-20 22:11:22,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 7 transitions. [2024-11-20 22:11:22,469 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-20 22:11:22,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-20 22:11:22,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 7 transitions. [2024-11-20 22:11:22,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-20 22:11:22,471 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-20 22:11:22,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 7 transitions. [2024-11-20 22:11:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2024-11-20 22:11:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.0) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 22:11:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-11-20 22:11:22,473 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-20 22:11:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 22:11:22,474 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 7 transitions. [2024-11-20 22:11:22,474 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-20 22:11:22,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 7 transitions. [2024-11-20 22:11:22,475 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-20 22:11:22,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-20 22:11:22,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-20 22:11:22,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-11-20 22:11:22,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-20 22:11:22,477 INFO L745 eck$LassoCheckResult]: Stem: 293#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~l~0#1, main_~m~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~l~0#1;havoc main_~m~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0; 295#L15-2 assume !!(main_~i~0#1 < 100);main_~a~0#1 := 2 + main_~i~0#1;main_~j~0#1 := 0; 290#L18-2 assume !!(main_~j~0#1 < main_~a~0#1);main_~k~0#1 := 3 + (main_~i~0#1 + main_~j~0#1); 291#L20-2 assume !!(main_~k~0#1 >= 0);main_~b~0#1 := 4 + (main_~i~0#1 + main_~j~0#1 + main_~k~0#1);main_~l~0#1 := 0; 292#L23-2 assume !!(main_~l~0#1 < main_~b~0#1);main_~m~0#1 := 1000 + (main_~i~0#1 + main_~j~0#1 + main_~k~0#1 + main_~l~0#1); 289#L25-2 [2024-11-20 22:11:22,477 INFO L747 eck$LassoCheckResult]: Loop: 289#L25-2 assume !!(main_~m~0#1 >= 0);main_~m~0#1 := main_~m~0#1; 289#L25-2 [2024-11-20 22:11:22,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,478 INFO L85 PathProgramCache]: Analyzing trace with hash 889698581, now seen corresponding path program 1 times [2024-11-20 22:11:22,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493221040] [2024-11-20 22:11:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,503 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,504 INFO L85 PathProgramCache]: Analyzing trace with hash 78, now seen corresponding path program 1 times [2024-11-20 22:11:22,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475169063] [2024-11-20 22:11:22,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,511 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 22:11:22,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852282, now seen corresponding path program 1 times [2024-11-20 22:11:22,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 22:11:22,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426881241] [2024-11-20 22:11:22,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 22:11:22,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 22:11:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 22:11:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 22:11:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 22:11:22,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:11:22 BoogieIcfgContainer [2024-11-20 22:11:22,675 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-20 22:11:22,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 22:11:22,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 22:11:22,676 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 22:11:22,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:11:20" (3/4) ... [2024-11-20 22:11:22,680 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-20 22:11:22,726 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 22:11:22,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 22:11:22,727 INFO L158 Benchmark]: Toolchain (without parser) took 2667.32ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 118.1MB in the beginning and 113.9MB in the end (delta: 4.2MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,727 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 22:11:22,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.46ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 106.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.12ms. Allocated memory is still 157.3MB. Free memory was 106.5MB in the beginning and 104.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,733 INFO L158 Benchmark]: Boogie Preprocessor took 24.45ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,734 INFO L158 Benchmark]: RCFGBuilder took 268.46ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 124.9MB in the end (delta: -21.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,734 INFO L158 Benchmark]: BuchiAutomizer took 2056.53ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 124.9MB in the beginning and 116.0MB in the end (delta: 8.9MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,736 INFO L158 Benchmark]: Witness Printer took 50.61ms. Allocated memory is still 188.7MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 22:11:22,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.46ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 106.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.12ms. Allocated memory is still 157.3MB. Free memory was 106.5MB in the beginning and 104.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.45ms. Allocated memory is still 157.3MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 268.46ms. Allocated memory is still 157.3MB. Free memory was 103.4MB in the beginning and 124.9MB in the end (delta: -21.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2056.53ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 124.9MB in the beginning and 116.0MB in the end (delta: 8.9MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. * Witness Printer took 50.61ms. Allocated memory is still 188.7MB. Free memory was 116.0MB in the beginning and 113.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function ((long) -1 * i) and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 40 mSDtfsCounter, 84 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax200 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 25]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] int j; [L8] int k; [L9] int l; [L10] int m; [L11] int a; [L12] int b; [L13] i = 0 VAL [i=0] [L15] COND TRUE i < 100 [L16] a = i+2 [L17] j = 0 VAL [a=2, i=0, j=0] [L18] COND TRUE j < a [L19] k = i+j+3 VAL [a=2, i=0, j=0, k=3] [L20] COND TRUE k >= 0 [L21] b = i+j+k+4 [L22] l = 0 VAL [a=2, b=7, i=0, j=0, k=3, l=0] [L23] COND TRUE l < b [L24] m = i+j+k+l+1000 VAL [a=2, b=7, i=0, j=0, k=3, l=0, m=1003] Loop: [L25] COND TRUE m >= 0 [L26] m = m-0 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 25]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] int j; [L8] int k; [L9] int l; [L10] int m; [L11] int a; [L12] int b; [L13] i = 0 VAL [i=0] [L15] COND TRUE i < 100 [L16] a = i+2 [L17] j = 0 VAL [a=2, i=0, j=0] [L18] COND TRUE j < a [L19] k = i+j+3 VAL [a=2, i=0, j=0, k=3] [L20] COND TRUE k >= 0 [L21] b = i+j+k+4 [L22] l = 0 VAL [a=2, b=7, i=0, j=0, k=3, l=0] [L23] COND TRUE l < b [L24] m = i+j+k+l+1000 VAL [a=2, b=7, i=0, j=0, k=3, l=0, m=1003] Loop: [L25] COND TRUE m >= 0 [L26] m = m-0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-20 22:11:22,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)